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RP604 Series

0.3µA IQ Low Quiescent Current 300mA Buck-Boost DC/DC Converter with Synchronous Rectifier

  • Consumer
  • PLP
  • RoHS

The RP604 is a buck-boost converter featuring a minimum supply current and a high efficiency at low-load. The device operates at the low operating quiescent current (IQ = 0.3 µA) to make the most of battery life for the battery driver operated intermittently.

  • The low supply current (IQ = 0.3 μA) can achieve making battery life longer and battery’s size-reduction.
  • Wide range of input voltage (1.8 V to 5.5 V) can support for every batteries from a coin-type battery to a USB port.
  • Selectable package: WLCSP-20-P2 or DFN(PLP)2730-12

Specs & Datasheets

Input Voltage Range 1.8 V to 5.5 V (6.5 V)
Operating Temperature Range -40°C to 85°C (125°C)
Standby Current Typ. 0.01 µA
Operating Quiescent Current Typ. 0.3 µA
Output Voltage Range 1.6 V to 5.2 V (0.1 V step)
Output Voltage Accuracy ±1.5% (Ta = 25°C)
Output Current 300 mA
Driver ON-resistance PMOS: Typ. 0.12 Ω, NMOS: Typ. 0.12 Ω (RP604Z, VIN = 3.6 V)
Package WLCSP-20-P2, DFN(PLP)2730-12

Download Datasheet

Protections / Functions

Functional Description

TSD ILX OCP OVP UVLO OVLO Reverse Shutdown Soft Start SSCG PGOOD Auto Discharge Anti-ringing Sequencing Max Duty Ext. Phase LED Adjust

Technical Documents

Typical Application

Typical Application

CIN : 10 µF or more, COUT : 22 µF, L: 2.2 µH

Efficiency vs. Output Current (VOUT = 3.3 V)

Efficiency vs. Output Current (VOUT = 3.3 V)

Introduction Video

Quality & Packages

Product Name Compatibility Package Marking Reliability
  • gradeConsumerC
  • plpP
WLCSP-20-P2 RP604Z RP604Z-F
  • gradeConsumerC
  • plpP
DFN(PLP)2730-12 RP604K RP604K

Refer to the datasheets for the details on the product.
The package file includes package dimensions, taping specifications, taping reels dimensions, power dissipations, and recommended land pattern.
Please contact us or our distributors for unpublished reliability information.

Sample / Buy

Functional Description

TSD Thermal Shutdown Function
ILX LX Current Limit Function
OCP Overcurrent Protection
OVP Overvoltage Protection
UVLO Undervoltage Lockout Protection
OVLO Overvoltage Lockout Protection
Reverse Reverse Current Protection Circuit
Shutdown Shutdown Function
Soft Start Soft Start Function
SSCG Spread Spectrum Clock Generator Function
PGOOD Power Good Output
Auto Discharge Auto Discharge Function
Anti-ringing Anti-ringing Switch Function
Sequencing Start-up Sequencing Control
Max Duty Maximum Duty Cycle
Ext. Phase Externally Adjustable Phase Compensation
LED Adjust LED High-speed Dimming Control

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